Metal deforming – By deflecting successively-presented portions of work during... – By use of work-contacting wiper and moving – work-holding form
Patent
1993-05-21
1994-11-29
Crane, Daniel C.
Metal deforming
By deflecting successively-presented portions of work during...
By use of work-contacting wiper and moving, work-holding form
72149, B21D 500, B21D 5110
Patent
active
053678974
ABSTRACT:
A plate rolling apparatus, for rolling a plate to form a pipe which may be tapered, a gripper rib (14) on the mandrel (11) for receiving the edge of a flat plate. The mandrel (11) being mounted between support frame ends (24, 25) and on a single pressure roller (15) mounted beneath the mandrel (11) and adapted to contact the surface of the plate and apply a squeezing force against the plate and mandrel (11) during a rolling operation, the pressure roll (15) being laterally movable relative to the center-line of the mandrel depending upon the location of the gripper rib (14) in the region of the roller (15) so as not to foul the gripper rib (14) yet applying said squeezing force to said plate as required. A mandrel (11) having an adjustable taper angle is disclosed as an adjustable mandrel support member (2, 25) and mandrel journal (26) to accommodate variable mandrel diameters and angles or taper.
REFERENCES:
patent: 289910 (1883-12-01), Grunder
patent: 2062591 (1936-12-01), Mather
patent: 2988127 (1961-06-01), Gray
patent: 3008220 (1961-11-01), Sammarco
patent: 3062266 (1962-11-01), Abbott
patent: 3351001 (1967-11-01), Achkio
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